1434787157 has 2 divisors, whose sum is σ = 1434787158. Its totient is φ = 1434787156.

The previous prime is 1434787153. The next prime is 1434787247. The reversal of 1434787157 is 7517874341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1270280881 + 164506276 = 35641^2 + 12826^2 .

It is a cyclic number.

It is not a de Polignac number, because 1434787157 - 2² = 1434787153 is a prime.

It is a super-2 number, since 2×1434787157² = 4117228371784285298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1434787153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717393578 + 717393579.

It is an arithmetic number, because the mean of its divisors is an integer number (717393579).

Almost surely, 2^1434787157 is an apocalyptic number.

It is an amenable number.

1434787157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1434787157 is an equidigital number, since it uses as much as digits as its factorization.

1434787157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658560, while the sum is 47.

The square root of 1434787157 is about 37878.5844112475. The cubic root of 1434787157 is about 1127.8789556770.

The spelling of 1434787157 in words is "one billion, four hundred thirty-four million, seven hundred eighty-seven thousand, one hundred fifty-seven".